Foetal sex can be determined by examining cells from amniotic fluid looking for
Barr bodies
Chiasmata
Sex chromosomes
Kinetochores
Experimental verification of the chromosomal theory of inheritance was given by
In a gene pool, along with beneficial mutations those mutations also exists which are damaging to an individual. It has been found that these mutations are irreversible because
$I.$ they have survival value
$II.$ they are acquired
$III.$ they are recessive and carried by heterozygous individuals only
$IV.$ they show genetic drift
Choose the incorrect option for given statement
Kappa particles indicate
If a diploid cell is treated with colchicine, then it becomes
In phenylketonuria